The plot of Barry season 1 tells of a former commando, who works as a hired killer for a very modest fee now somewhere in the Midwest. Receiving another assignment, he goes to sunny Los Angeles to do his usual work and kill someone.
Barry is lonely and dissatisfied with his life. He arrives to a city where many people dream of becoming famous, and are obsessed with cinematography. He met with a company of friendly young actors there, who are ready to embrace the newcomer in their troupe. Unexpectedly, he realizes that his true vocation is a theatrical stage. Finding himself in the actor’s group, he makes his first awkward steps in the theater. Can he get rid of his past? However, the killer believes that finally can find the true meaning of life here and now in the upcoming episodes of Barry series.

Barry meets like-minded theatergoers in the previous season. He wants to leave the career of a killer and become an actor, but the criminal past is not going to let off Barry. Can the main character keep his promise and end the killer's craft?